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Probability of numbers between 0 and 1

  1. Aug 17, 2007 #1
    anybody could help me how to solve this..
    between nos. 0 and 1, what is the probability that 5 of its first 10 decimal places is less than 5?
  2. jcsd
  3. Aug 17, 2007 #2


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    Staff: Mentor

    How would you first approach this problem yourself?
  4. Aug 17, 2007 #3
    A.What is the probability that any given digit is less than 5?

    B.What is the probability of 5 out of 10 digits being less than 5, using the probability in A?
  5. Aug 17, 2007 #4


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    Science Advisor

    In other words, it is a binomial probability problem!
  6. Aug 17, 2007 #5


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    Homework Helper

    Exactly five or at least five?
  7. Aug 21, 2007 #6

    it's at least five..
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